(19)

(11)

EP 2 783 541 A1

(12)

(43) Date of publication: 01.10.2014 Bulletin 2014/40 (21) Application number: 11785030.5 (22) Date of filing: 22.11.2011

(51) International Patent Classification (IPC):  H04W 72/04(2009.01) (86) International application number: PCT/EP2011/070708 (87) International publication number: WO 2013/075738 (30.05.2013 Gazette 2013/22)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR (71) Applicant: Nokia Solutions and Networks Oy 02610 Espoo (FI)	(72) Inventors: SZUFARSKA, Agnieszka PL-80-299 Gdansk (PL) PEDERSEN, Klaus Ingemann DK-9000 Aalborg (DK) KORDYBACH, Krzysztof PL-24-100 Pulawy (PL)